The CZ 457 Thumbhole is a bolt-action rimfire rifle configured for accurate shooting with a heavy-profile 525 mm barrel and a laminated thumbhole stock.
The CZ 457 Thumbhole is a bolt-action rimfire rifle configured for accurate shooting with a heavy-profile 525 mm barrel and a laminated thumbhole stock. Its grey-brown stock incorporates a cheekpiece and an integrated trigger guard, providing a stable shooting position for both right- and left-handed users. Suitable for use Precision target shooting Regular range practice Supported shooting Small-game hunting where .22 LR is permitted Use with an optical sight Shooters who prefer a thumbhole stock Right- and left-handed shooters Low-recoil marksmanship training Users interested in the modular CZ 457 system Why choose the CZ 457 Thumbhole? Manufacturer-listed accuracy of 1 MOA Heavy-profile 525 mm barrel Ergonomic thumbhole stock Strong laminated-wood construction Integrated trigger guard Stock shaped for right- and left-handed use Adjustable single-stage trigger Trigger pull of 11.1–14 N 1:16 rifling twist with six grooves Detachable five-round magazine Receiver-mounted 11 mm optics dovetail 1/2"-20 UNF muzzle thread Muzzle compensator User-swappable barrel and calibre system Optics-oriented configuration without open sights Technical specifications Calibre: .22 LR Action: Manually operated bolt action Barrel length: 525 mm Barrel profile: Heavy Muzzle thread: 1/2"-20 UNF Compensator: Yes Rifling twist: 1:16 Number of grooves: 6 Manufacturer-listed accuracy: 1 MOA Magazine capacity: 5 rounds Magazine type: Detachable Trigger: Adjustable single-stage Trigger pull: 11.1–14 N Stock material: Laminated wood Stock colour: Grey-brown Stock finish: Varnished Stock style: Thumbhole Trigger guard: Integrated into the stock Cheekpiece: Yes Length of pull: 360 mm Stock usability: Right- and left-handed Bolt handle: Right side Safety: Right side of the action Optics interface: 11 mm dovetail machined into the receiver Open sights: No Overall length: 997 mm Weight: Approximately 3.6 kg Supplied with CZ 457 Thumbhole rifle Detachable five-round magazine Muzzle compensator Instruction manual Frequently asked questions How does the Thumbhole differ from the standard CZ 457 Varmint? The principal difference is the stock. The Thumbhole has a thumb opening, raised cheekpiece and integrated trigger guard that support a firm and repeatable hold. Both configurations use a heavy barrel, but the Thumbhole stock is more clearly oriented towards supported precision shooting. Is the rifle suitable for a left-handed shooter? The laminated thumbhole stock is shaped for use from either shoulder. The bolt handle remains on the right side, however, so a left-handed shooter must still operate a right-side bolt. Can the rifle be used without a scope? The rifle has no open sights, so a suitable optical or alternative sighting system is required for practical aiming. Its receiver incorporates an 11 mm dovetail for compatible rings or an appropriate adapter. What does the 1 MOA accuracy figure mean? One minute of angle corresponds to a group diameter of approximately 29 mm at 100 metres. Actual results depend on the ammunition, shooting support, optic, weather and shooter. The manufacturer’s figure does not mean that every ammunition type will produce the same result. Can a sound moderator be fitted? The barrel has a 1/2"-20 UNF muzzle thread. The compensator must be removed before installing a compatible moderator. The device must be suitable for the calibre and exact thread, correct alignment must be confirmed and all applicable legal requirements must be observed. Can the trigger be adjusted? Yes. The rifle has an adjustable single-stage trigger, with the manufacturer listing a pull range of 11.1–14 N for this configuration. Adjustments should follow the instruction manual, with qualified gunsmith support used when required. Can the barrel or calibre be changed? The CZ 457 has a modular construction that supports barrel and calibre changes with the correct components. A corresponding magazine and other specified parts may also be required. Compatibility and safe operation should be verified by a qualified gunsmith. Are CZ 455 magazines compatible? The CZ 457 uses a magazine pattern related to the earlier CZ 455 system, and many magazines of the corresponding calibre are compatible. The calibre, capacity and stated model compatibility should still be checked before purchase. Is 3.6 kg heavy for a .22 LR rifle? It is heavier than a lightweight sporting rimfire, but the added mass improves stability during supported shooting. A lighter-barrel model may be more convenient when the rifle must be carried for extended periods. When is the CZ 457 Thumbhole the right choice? This model is a good match for shooters who want a heavy-barrel .22 LR rifle with a more ergonomic thumbhole stock. Its stock design, cheekpiece and approximate 3.6 kg weight are particularly useful for range sessions and supported shooting. A lighter CZ 457 may be preferable for extended field carrying. A dedicated competition model with a more adjustable stock or chassis may be better suited to specialised match disciplines. Expert recommendation .22 LR rifles can be particularly sensitive to ammunition selection. Test several loads—and, where practical, different production lots—under consistent conditions. Once a reliable and accurate load has been identified, complete the rifle’s final sight setting with that ammunition. When selecting an optic, account for the height of the cheekpiece and use good-quality mounts designed for the receiver’s 11 mm dovetail. The scope height should allow a natural head position while leaving adequate clearance for the bolt handle. Recheck the mounting screws after the initial shooting sessions. Ergonomic heavy-barrel rimfire accuracy The CZ 457 Thumbhole combines a heavy 525 mm barrel, 1 MOA accuracy specification, adjustable trigger and laminated thumbhole stock. It is a stable platform for target shooting, regular training and lawful small-game hunting. Attention! The modification of the weapon may vary, ask the Jahipauna stores for more information.
The CZ 457 Thumbhole is a bolt-action rimfire rifle configured for accurate shooting with a heavy-profile 525 mm barrel and a laminated thumbhole stock. Its grey-brown stock incorporates a cheekpiece and an integrated trigger guard, providing a stable shooting position for both right- and left-handed users. Suitable for use Precision target shooting Regular range practice Supported shooting Small-game hunting where .22 LR is permitted Use with an optical sight Shooters who prefer a thumbhole stock Right- and left-handed shooters Low-recoil marksmanship training Users interested in the modular CZ 457 system Why choose the CZ 457 Thumbhole? Manufacturer-listed accuracy of 1 MOA Heavy-profile 525 mm barrel Ergonomic thumbhole stock Strong laminated-wood construction Integrated trigger guard Stock shaped for right- and left-handed use Adjustable single-stage trigger Trigger pull of 11.1–14 N 1:16 rifling twist with six grooves Detachable five-round magazine Receiver-mounted 11 mm optics dovetail 1/2"-20 UNF muzzle thread Muzzle compensator User-swappable barrel and calibre system Optics-oriented configuration without open sights Technical specifications Calibre: .22 LR Action: Manually operated bolt action Barrel length: 525 mm Barrel profile: Heavy Muzzle thread: 1/2"-20 UNF Compensator: Yes Rifling twist: 1:16 Number of grooves: 6 Manufacturer-listed accuracy: 1 MOA Magazine capacity: 5 rounds Magazine type: Detachable Trigger: Adjustable single-stage Trigger pull: 11.1–14 N Stock material: Laminated wood Stock colour: Grey-brown Stock finish: Varnished Stock style: Thumbhole Trigger guard: Integrated into the stock Cheekpiece: Yes Length of pull: 360 mm Stock usability: Right- and left-handed Bolt handle: Right side Safety: Right side of the action Optics interface: 11 mm dovetail machined into the receiver Open sights: No Overall length: 997 mm Weight: Approximately 3.6 kg Supplied with CZ 457 Thumbhole rifle Detachable five-round magazine Muzzle compensator Instruction manual Frequently asked questions How does the Thumbhole differ from the standard CZ 457 Varmint? The principal difference is the stock. The Thumbhole has a thumb opening, raised cheekpiece and integrated trigger guard that support a firm and repeatable hold. Both configurations use a heavy barrel, but the Thumbhole stock is more clearly oriented towards supported precision shooting. Is the rifle suitable for a left-handed shooter? The laminated thumbhole stock is shaped for use from either shoulder. The bolt handle remains on the right side, however, so a left-handed shooter must still operate a right-side bolt. Can the rifle be used without a scope? The rifle has no open sights, so a suitable optical or alternative sighting system is required for practical aiming. Its receiver incorporates an 11 mm dovetail for compatible rings or an appropriate adapter. What does the 1 MOA accuracy figure mean? One minute of angle corresponds to a group diameter of approximately 29 mm at 100 metres. Actual results depend on the ammunition, shooting support, optic, weather and shooter. The manufacturer’s figure does not mean that every ammunition type will produce the same result. Can a sound moderator be fitted? The barrel has a 1/2"-20 UNF muzzle thread. The compensator must be removed before installing a compatible moderator. The device must be suitable for the calibre and exact thread, correct alignment must be confirmed and all applicable legal requirements must be observed. Can the trigger be adjusted? Yes. The rifle has an adjustable single-stage trigger, with the manufacturer listing a pull range of 11.1–14 N for this configuration. Adjustments should follow the instruction manual, with qualified gunsmith support used when required. Can the barrel or calibre be changed? The CZ 457 has a modular construction that supports barrel and calibre changes with the correct components. A corresponding magazine and other specified parts may also be required. Compatibility and safe operation should be verified by a qualified gunsmith. Are CZ 455 magazines compatible? The CZ 457 uses a magazine pattern related to the earlier CZ 455 system, and many magazines of the corresponding calibre are compatible. The calibre, capacity and stated model compatibility should still be checked before purchase. Is 3.6 kg heavy for a .22 LR rifle? It is heavier than a lightweight sporting rimfire, but the added mass improves stability during supported shooting. A lighter-barrel model may be more convenient when the rifle must be carried for extended periods. When is the CZ 457 Thumbhole the right choice? This model is a good match for shooters who want a heavy-barrel .22 LR rifle with a more ergonomic thumbhole stock. Its stock design, cheekpiece and approximate 3.6 kg weight are particularly useful for range sessions and supported shooting. A lighter CZ 457 may be preferable for extended field carrying. A dedicated competition model with a more adjustable stock or chassis may be better suited to specialised match disciplines. Expert recommendation .22 LR rifles can be particularly sensitive to ammunition selection. Test several loads—and, where practical, different production lots—under consistent conditions. Once a reliable and accurate load has been identified, complete the rifle’s final sight setting with that ammunition. When selecting an optic, account for the height of the cheekpiece and use good-quality mounts designed for the receiver’s 11 mm dovetail. The scope height should allow a natural head position while leaving adequate clearance for the bolt handle. Recheck the mounting screws after the initial shooting sessions. Ergonomic heavy-barrel rimfire accuracy The CZ 457 Thumbhole combines a heavy 525 mm barrel, 1 MOA accuracy specification, adjustable trigger and laminated thumbhole stock. It is a stable platform for target shooting, regular training and lawful small-game hunting. Attention! The modification of the weapon may vary, ask the Jahipauna stores for more information.